Sony KV-XA25P52A Service Manual ▷ View online
– 29 –
KV-XA25P52A
RM-952
Adjustment Item Table
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0
6
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0
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(
e
d
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/
)
0
6
-
0
5
(l
a
m
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N
)
1
0
/
1
0
(
/
)
1
0
/
1
0
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5
1
V
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Y
0
1
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1
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1
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1
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1
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7
1
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1
1
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1
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8
1
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1
1
N
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1
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9
1
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1
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s
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(
e
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/
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s
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t
O
/
C
S
T
N
(
)
1
0
/
1
0
(
/
)
1
0
/
1
0
(
C
1
L
S
R
0
1
L
E
S
B
G
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0
0
D
1
W
B
V
1
3
W
K
L
B
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0
0
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1
P
F
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0
1
P
F
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0
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1
P
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1
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0
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2
3
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3
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0
2
0
F
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0
F
0
)
Y
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N
O
-
A
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(
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1
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3
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P
0
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5
0
3
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3
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Y
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P
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6
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0
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7
0
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B
2
3
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B
1
0
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3
0
8
0
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2
3
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7
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5
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M
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7
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1
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1
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D
6
F
7
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M
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C
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F
7
1
1
R
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E
0
5
F
F
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T
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M
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1
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6
– 30 –
KV-XA25P52A
RM-952
NOTE
•
•
shaded items are fixed data.
• Standard data listed on the Adjustment Item Table are reference values, therefore it may be different for each model
and for each mode.
• Note for Different Data
Those are the standard data values written on the microprocessor. Therefore, the data
values of the modes and stored respectively in the memory.
In case of a device replacement, adjustment by rewriting the data value is necessary for
some items.
values of the modes and stored respectively in the memory.
In case of a device replacement, adjustment by rewriting the data value is necessary for
some items.
Adjustment Item Table
G
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T
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F
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(
e
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C
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N
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m
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N
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2
T
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T
0
0
H
X
T
0
3
n
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ti
s
o
P
la
tn
o
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r
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H
tx
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T
0
0
1
0
V
X
T
0
3
n
oi
ti
s
o
P
la
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tr
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V
tx
et
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T
0
0
M
P
O
0
0
H
S
O
A
0
F
3
n
oi
ti
s
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P
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D
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M
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F
0
1
0
M
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C
1
3
0
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2
0/
1
0
2
0
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P
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1
1
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1
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3
0
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0
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N
0
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5
0
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A
0
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1
0
6
0
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F
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0
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B
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1
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B
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0
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0
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1
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7
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2
0
– 31 –
KV-XA25P52A
RM-952
OPTION NOTE
OP1
OP1
AV Input
00 = no AV Input
01 = 1 AV Input
10/11 = 2 AV Input
DVD Input
Effective only when "AV Input" is set to 2 AV Input
Dis Fav.
Disable Favorite Channel (Only Effective For 21" & 14" Models Only)
PIC Rot
*1
PIC Rotation Feature Switch
0 = disabled, 1 = enabled
2199 Curve
*1
2199 Volume Curve Selection
0 = Others,
1 = 2199 Volume Curve.
Auto PIC
Auto Picture Improvement
0 = inactive,
1 = active
A-TV sys
Auto TV System in Auto Program
0 = disabled,
1 = enabled
US ST
USA Stereo
0 = disabled,
1 = enabled
AV MONO
*1
AV Mono models
0 = Stereo,
1 = Mono
(No Balance & Surround selection)
11 Key
Front Key Selection
0 = 7 key model, 1 = 11 key model
Color SW
*2&*1
Color Data Selection in Dynamic Mode
0 = 65 (No PIP), 1 = 57 (PIP)
Note:
*1 - For XA-21/XG25 Models Only
*2 - For XA-34/29/25 Models Only
*2 - For XA-34/29/25 Models Only
AP_XG
*1
To select the XG AP (board B6) 0: No; 1 = Yes
Note:
*1 - For XA-21/XG25 Models Only
NOTE:
When Bit 7, 6 & 5 = 000, Only PAL color system is selected.
When Bit 7 is selected, Auto, PAL & NTSC 4.43 Color system is enable.
When Option is single color system, Color system cannot be changed & "AUTO" will not be
displayed.
When Bit 7 is selected, Auto, PAL & NTSC 4.43 Color system is enable.
When Option is single color system, Color system cannot be changed & "AUTO" will not be
displayed.
OP2
OP3
OP4
M
0
D/K
0
I
0
Item
KV-XA25P52A
B/G
1
2nd. Lang
1
SECAM
0
XTAL 3.58
1
XTAL 4.43
1
Item
KV-XA25P52A
0
1
DVD Input
1
Dis Fav.
0
Thai Bil
1
HDEV
0
NICAM
0
TOP
0
AV Input
Item
KV-XA25P52A
Color SW
*2&*1
1
11 KEY
0
AV Mono
*1
0
US ST
0
A-TV sys
0
Auto PIC
1
2199 Curve
*1
0
PIC Rot
*1
1
Item
KV-XA25P52A
(unused)
0
AP_XG
*1
1
Vid NTSC 3.58
0
(unused)
0
(unused)
0
(unused)
0
(unused)
0
(unused)
0
HEX
D8
HEX
16
HEX
A1
HEX
02
– 32 –
KV-XA25P52A
RM-952
SUB HUE ADJUSTMENT
1. Select Video.
2. Input a NTSC, color-bar, into Video.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN305, A
board.
5. Select SAJ 01 ‘SHU’ with 1 and 4 of the commander by
setting to Service Mode and adjust to VB1=VB2=VB3=VB4
with 3 and 6.
4-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT
1. Input a PAL color-bar.
2. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
3. Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.
4. Set to Service Mode and select SAJ 03 ‘SCL’ with 1 and
4 of the commander then adjust to VB2=VB3=VB4 with
3 and 6.
3 and 6.
5. Press
[MUTING]
→ - of the commander to write the data.
6. Adjust SAJ 03 ‘SCL’ as step 2 to 5 when receiving NTSC
color-bar.
6. Press
[MUTING]
→ - of the commander to write the data.
VB1
VB2
VB3
VB4
VB2 = VB3 = VB4
VB2 = VB3 = VB4 (Difference is within 70mV)
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
The highest level of VB1,VB2,VB3,VB4 must be aligned at
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
4-4. DEFLECTION ADJUSTMENT
NORMAL MODE (50Hz)
1.
Set to Service Mode.
2.
Using the 1 and 4 button, select category GEO (Service
Mode).
Mode).
3.
Raise/lower the data using the 3 and 6 buttons.
Select and adjust the following items to obtain optimum
image.
Select and adjust the following items to obtain optimum
image.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
WIDE MODE (50Hz)
4.
Input PAL color bar.
5.
Adjust condition change to WIDE MODE : ON.
6.
Using the 1 and 3 button, select category GEO
(Service Mode).
(Service Mode).
7.
Copy (item from normal mode (50Hz)) adjusted data for
the following item:
Service Item
the following item:
Service Item
GEO : 01
HSZ
H POSITION
05
VSZ
V POSITION
06
SCO
S CORRECTION
07
VLN
V LINEARITY
8.
Raise/lower data using 3 and 6 buttons, select and
adjust the following items to obtain optimum image.
Service Item
adjust the following items to obtain optimum image.
Service Item
GEO : 00
HPS
H POSITION
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
08
BOW AFC BOW
09
AGL
AFC
ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
9.
After confirm WIDE MODE : ON – OFF.
10.
Repeat same steps for NTSC input signal.
NORMAL MODE (60Hz)
11. Input 525/60Hz signal.
12. Using the 1 and 4 buttons select category GEO (Service
12. Using the 1 and 4 buttons select category GEO (Service
Mode).
13. Select and adjust the following items to obtain obtimum
image.
Raise/lower the data with the 3 and 6 buttons.
Raise/lower the data with the 3 and 6 buttons.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
WIDE MODE (60Hz)
14. Input monoscope signal.
15. Adjust condition change to WIDE MODE: ON.
16. Using the 1 and 4 button select category GEO (Service
15. Adjust condition change to WIDE MODE: ON.
16. Using the 1 and 4 button select category GEO (Service
Mode).
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